1 <?xml version=
"1.0" encoding=
"UTF-8"?>
2 <!DOCTYPE book PUBLIC
"-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
3 "http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
4 <refentry id=
"glIsTexture">
9 <holder>Silicon Graphics, Inc.
</holder>
12 <refentrytitle>glIsTexture
</refentrytitle>
13 <manvolnum>3G
</manvolnum>
16 <refname>glIsTexture
</refname>
17 <refpurpose>determine if a name corresponds to a texture
</refpurpose>
19 <refsynopsisdiv><title>C Specification
</title>
22 <funcdef>GLboolean
<function>glIsTexture
</function></funcdef>
23 <paramdef>GLuint
<parameter>texture
</parameter></paramdef>
27 <refsect1 id=
"parameters"><title>Parameters
</title>
30 <term><parameter>texture
</parameter></term>
33 Specifies a value that may be the name of a texture.
39 <refsect1 id=
"description"><title>Description
</title>
41 <function>glIsTexture
</function> returns
<constant>GL_TRUE
</constant> if
<parameter>texture
</parameter> is currently the name of a texture.
42 If
<parameter>texture
</parameter> is zero, or is a non-zero value that is not currently the
43 name of a texture, or if an error occurs,
<function>glIsTexture
</function> returns
<constant>GL_FALSE
</constant>.
46 A name returned by
<citerefentry><refentrytitle>glGenTextures
</refentrytitle></citerefentry>, but not yet associated with a texture
47 by calling
<citerefentry><refentrytitle>glBindTexture
</refentrytitle></citerefentry>, is not the name of a texture.
50 <refsect1 id=
"seealso"><title>See Also
</title>
52 <citerefentry><refentrytitle>glBindTexture
</refentrytitle></citerefentry>,
53 <citerefentry><refentrytitle>glCopyTexImage1D
</refentrytitle></citerefentry>,
54 <citerefentry><refentrytitle>glCopyTexImage2D
</refentrytitle></citerefentry>,
55 <citerefentry><refentrytitle>glDeleteTextures
</refentrytitle></citerefentry>,
56 <citerefentry><refentrytitle>glGenTextures
</refentrytitle></citerefentry>,
57 <citerefentry><refentrytitle>glGet
</refentrytitle></citerefentry>,
58 <citerefentry><refentrytitle>glGetTexParameter
</refentrytitle></citerefentry>,
59 <citerefentry><refentrytitle>glTexImage1D
</refentrytitle></citerefentry>,
60 <citerefentry><refentrytitle>glTexImage2D
</refentrytitle></citerefentry>,
61 <citerefentry><refentrytitle>glTexImage3D
</refentrytitle></citerefentry>,
62 <citerefentry><refentrytitle>glTexParameter
</refentrytitle></citerefentry>
65 <refsect1 id=
"Copyright"><title>Copyright
</title>
67 Copyright
<trademark class=
"copyright"></trademark> 1991-
2006
68 Silicon Graphics, Inc. This document is licensed under the SGI
69 Free Software B License. For details, see
70 <ulink url=
"http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/
</ulink>.